GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1426210  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the propeller shaft. Refer to Rear Propeller Shaft Replacement.
  3. Support the transmission with a suitable jack.
  4. Remove the transmission support. Refer to Transmission Support Replacement.
  5. Lower the jack to gain access to the top of the transmission.
  6. Remove the bolt (1) securing the vent hose to the transmission.
  7. Remove the vent hose (2) from the vent pipe.

Installation Procedure


    Object Number: 1426210  Size: SH
  1. Install the vent hose (2) to the vent pipe.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the shift guide plate bolt securing the vent hose (1) to the transmission and tighten the bolt to 22 N·m (16 lb ft).
  4. Raise the jack.
  5. Install the transmission support. Refer to Transmission Support Replacement.
  6. Remove the jack.
  7. Install the propeller shaft. Refer to Rear Propeller Shaft Replacement.
  8. Lower the vehicle.